Created
August 2, 2018 22:48
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exploring multiple y-axis series in Vega
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| { | |
| "$schema": "https://vega.github.io/schema/vega/v4.json", | |
| "width": 500, | |
| "height": 200, | |
| "padding": 5, | |
| "signals": [ | |
| { | |
| "name": "interpolate", | |
| "value": "linear", | |
| "bind": { | |
| "input": "select", | |
| "options": [ | |
| "basis", | |
| "cardinal", | |
| "catmull-rom", | |
| "linear", | |
| "monotone", | |
| "natural", | |
| "step", | |
| "step-after", | |
| "step-before" | |
| ] | |
| } | |
| } | |
| ], | |
| "data": [ | |
| { | |
| "name": "table", | |
| "values": [ | |
| {"x": 0, "y0": 28, "y1": 20}, | |
| {"x": 1, "y0": 43, "y1": 35}, | |
| {"x": 2, "y0": 81, "y1": 10}, | |
| {"x": 3, "y0": 19}, | |
| {"x": 4, "y0": 52}, | |
| {"x": 5, "y0": 24}, | |
| {"x": 6, "y0": 87, "y1": 66}, | |
| {"x": 7, "y0": 17, "y1": 27}, | |
| {"x": 8, "y0": 68, "y1": 16}, | |
| {"x": 9, "y0": 49, "y1": 25} | |
| ] | |
| } | |
| ], | |
| "scales": [ | |
| { | |
| "name": "x", | |
| "type": "point", | |
| "range": "width", | |
| "domain": {"data": "table", "field": "x"} | |
| }, | |
| { | |
| "name": "y", | |
| "type": "linear", | |
| "range": "height", | |
| "nice": true, | |
| "zero": true, | |
| "domain": {"data": "table", "fields": ["y0", "y1"]} | |
| }, | |
| { | |
| "name": "color", | |
| "type": "ordinal", | |
| "domain": ["y0", "y1"], | |
| "range": ["#ff0000", "#00ff00"] | |
| } | |
| ], | |
| "axes": [ | |
| {"orient": "bottom", "scale": "x"}, | |
| {"orient": "left", "scale": "y"} | |
| ], | |
| "marks": [ | |
| { | |
| "type": "group", | |
| "marks": [ | |
| { | |
| "type": "line", | |
| "from": {"data": "table"}, | |
| "encode": { | |
| "enter": { | |
| "x": {"scale": "x", "field": "x"}, | |
| "y": {"scale": "y", "field": "y0"}, | |
| "stroke": {"value": "#ff0000"}, | |
| "strokeWidth": {"value": 2} | |
| }, | |
| "update": { | |
| "interpolate": {"signal": "interpolate"}, | |
| "fillOpacity": {"value": 1} | |
| }, | |
| "hover": { | |
| "fillOpacity": {"value": 0.5} | |
| } | |
| } | |
| }, | |
| { | |
| "type": "line", | |
| "from": {"data": "table"}, | |
| "encode": { | |
| "enter": { | |
| "x": {"scale": "x", "field": "x"}, | |
| "y": {"scale": "y", "field": "y1"}, | |
| "stroke": {"value": "#00ff00"}, | |
| "strokeWidth": {"value": 2} | |
| }, | |
| "update": { | |
| "interpolate": {"signal": "interpolate"}, | |
| "fillOpacity": {"value": 1} | |
| }, | |
| "hover": { | |
| "fillOpacity": {"value": 0.5} | |
| } | |
| } | |
| } | |
| ] | |
| } | |
| ] | |
| } |
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